2216134640156 has 6 divisors (see below), whose sum is σ = 3878235620280. Its totient is φ = 1108067320076.

The previous prime is 2216134640131. The next prime is 2216134640191. The reversal of 2216134640156 is 6510464316122.

It is a super-2 number, since 2×2216134640156² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 277016830016 + ... + 277016830023.

It is an arithmetic number, because the mean of its divisors is an integer number (646372603380).

Almost surely, 2^{2216134640156} is an apocalyptic number.

It is an amenable number.

2216134640156 is a deficient number, since it is larger than the sum of its proper divisors (1662100980124).

2216134640156 is a wasteful number, since it uses less digits than its factorization.

2216134640156 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 554033660043 (or 554033660041 counting only the distinct ones).

The product of its (nonzero) digits is 207360, while the sum is 41.

Adding to 2216134640156 its reverse (6510464316122), we get a palindrome (8726598956278).

The spelling of 2216134640156 in words is "two trillion, two hundred sixteen billion, one hundred thirty-four million, six hundred forty thousand, one hundred fifty-six".